
function testUnderscore() 
{
  defineUnderscore();
  var a = ['a','b','c'];
  _.each(a,function(e){Logger.log(e);});

  defineUnderscore();
  a = ['d','e','f'];
  _.each(a,function(e){Logger.log(e);});
  
  redefineUnderscore('1.4.4');
  _.each(a,function(e){Logger.log(e);});
  
  redefineUnderscore();
  _.each(a,function(e){Logger.log(e);});
  

}
